FZHW60 PHFO 270306 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 506 PM HST Sun Oct 26 2025 Hawaiian offshore waters beyond 40 nautical miles out to 240 nautical miles including the portion of the Papahanaumokuakea Marine National Monument east of French Frigate Shoals Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. PHZ105-271015- 506 PM HST Sun Oct 26 2025 .Synopsis for the Hawaiian offshore waters... High pressure far northeast of the area will weaken before a front stalls and weakens north of the area midweek. A weak ridge will nose in to the north through the latter half of the week before another front approaches. $$ PHZ180-271015- Hawaiian Offshore Waters- 506 PM HST Sun Oct 26 2025 .TONIGHT...W of 157W, E to SE winds 10 kt. E of 157W, E to SE winds 10 to 20 kt. Seas 6 to 9 ft. Isolated thunderstorms NW half. .MONDAY and MONDAY NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 8 ft. Isolated thunderstorms S and W of the islands and N of 25N. .TUESDAY through FRIDAY...E winds 10 to 20 kt. Seas 5 to 8 ft. Ioslated thunderstorms NW half Tuesday. $$